Unit 6 SeminarChapter 10

HS 200: Diseases of the Human Body

Dr. Allan Ayella

Unit 6 Agenda

• Over-view of Unit 5• Unit 6 Expectations • Seminar discussion• Questions and Answer

• Any issues that you came across in Unit 5 that I need to address?

Over-view of Unit 5Over-view of Unit 5

Unit 6 ExpectationsUnit 6 Expectations

Background Information

Pg 439

Circulatory system

What is the primary function of the circulatory system?

What are the components of the vascular system?

Pg 93

• The primary function of the circulatory system is to nourish the visceral with nutrients and oxygen

• The components of the vascular circuit include the lungs (pulmonary), the peripheral vessels (mainly iliac vessels), the visceral organs (digestive and urinary system) and the cephalic

Coronary Artery Disease

Description of CAD?

Pg 441

CAD

Pg 441

Coronary artery disease: A condition involving the arteries that supply the myocardium, in which the arteries become narrowed due to atherosclerotic deposits over time, causing temporary cardiac ischemia and eventually heart attack

Etiology of CAD

Difference btn atheroma vs. thrombus?

Pg 80

Etiology of CAD

Atheroma- mass of fibro-fatty material, cells and lipids

Pg 80

Thrombus- A blood clot attached to the interior wall of the blood vessel, often causing vascular obstruction

Etiology of CAD

A combination of the endothelial damage and the atheroma is called a ______________

Pg 80

Etiology of CAD

A combination of the endothelial damage and the atheroma is called a Plaque

Pg 442

Etiology of CAD

List the consequences of atherosclerosis in different tissues

Pg 78

Etiology of CAD List the consequences of atherosclerosis- Heart: Partial occlusion Angina pectoris

Total occlusion MI

Pg 443

- Brain: Partial occlusion Ischemic attack Total occlusion CVA

- Vessels: Aorta Aneurysm Legs PVD

(Gangrene and amputation)

Sites of MI

State the sites of MI in men

Pg 448

Sites of MI

Pg 448

Diagnosis of MI

b) How is MI diagnosed?

Pg 447

a) Are the MI sites the same in men and in women?

Diagnosis of MI

Thorough medical historyElectrocardiogram changes Chest radiographic filmsChanges in enzyme levels e.g. CPK, LDH, AST,

Pg 447

Patient education of MI

State patient education is used in MI?

Pg 447

Patient education of MI

State patient education is used in MI?- Call 9ll for emergency- Chew 325g aspirin tablets- Defibrillation where possible

Pg 447

Treatment of MI

Pg 450

•What is the time window from the onset of the infarction before permanent damage results?

Treatment of MI

Pg 450

•What is the time window from the onset of the infarction before permanent damage results? Six hours

Cardiac arrest

___________ __ is a sudden, unexpected cessation of cardiac activity

Pg 79

Cardiac arrest

_Cardiac arrest is a sudden, unexpected cessation of cardiac activity

Pg 79

Cardiac arrest

What measures are initiated to reverse a cardiac arrest?

Pg 79

Cardiac arrest

What measures are initiated to reverse a cardiac arrest?

CPR must be instituted within 4 to 6 minutes of cardiac arrest by a trained, advanced life-support personnel. Cardiac drugs including adrenaline, dobutamine and antiarrhythmic drugs must be administered.

In addition, therapeutic hypothermia can be tried

Pg 79

Hypertension

Describe the types of hypertension

Pg 25

Hypertension

Pg 25

• What is the first indication of hypertension?

Hypertension

Pg 25

•What is the first indication of hypertension? Elevated blood pressure readings -- systolic reading greater than 140 mm Hg and diastolic reading greater than 90 mm Hg indicate hypertension

Hypertension

Discuss the treatment of hypertension

Pg 452

HypertensionDiscuss the treatment of hypertension Diuretics to reduce circulating blood volume

Beta-adrenergic blockers to slow heartbeatVasodilators to dilate vesselsAngiotensin-converting enzyme (ACE) inhibitors to

produce vasodilation and increase renal blood flow

What disease is characterized by the following symptoms? Pg 454